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- principal diagonal polynomial 主对角多项式
- The sum of the elements of the principal diagonal of a matrix. 一矩阵中主对角线元素之和
- A determinant whose only nonzero elements occur in square blocks centered about the principal diagonal is in block-diagonal form. 仅有的非零元素集中于主对角线的方块中的行列式是分块对角形式的。
- A determinant in which all elements are zero except the elements of the principal diagonal and the elements immediately above and below this diagonal is called a continuant. 一个行列式除了主对角元素以及紧靠对角线的上面和下面的元素外，所有的元素均为零者叫做连行列式。
- the sum of the elements of the principal diagonal of a matrix 一矩阵中主对角线元素之和
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- A determinant whose only nonzero elements occur in square blocks centered about the principal diagonal is in block-diagonal form 仅有的非零元素集中于主对角线的方块中的行列式是分块对角形式的。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The wood surface of the furniture is full of diagonal stripes. 这件家具的木头表面上布满了斜纹。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- The principal has a very tight schedule. 校长的日程表排得满满的。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
